diff --git a/docker/coturn/CHANGELOG.md b/docker/coturn/CHANGELOG.md
index 54d0968..33873ee 100644
--- a/docker/coturn/CHANGELOG.md
+++ b/docker/coturn/CHANGELOG.md
@@ -4,6 +4,17 @@ Coturn TURN server Docker image changelog
 
 
 
+## [4.6.2-r5] · 2023-10-04
+[4.6.2-r5]: /../../tree/docker/4.6.2-r5
+
+### Security updated
+
+- [Alpine Linux] 3.18.4: <https://github.com/docker-library/official-images/commit/2f22914dcf488bd066771452d2c694ad4f7e88c4>
+- [Debian Linux] "bookworm" 20230919: <https://github.com/docker-library/official-images/commit/8b469263a1fab3a17b9f520bcf8ef53f3c828e27>
+
+
+
+
 ## [4.6.2-r4] · 2023-07-04
 [4.6.2-r4]: /../../tree/docker/4.6.2-r4
 
diff --git a/docker/coturn/Makefile b/docker/coturn/Makefile
index 99a838f..8a578a0 100644
--- a/docker/coturn/Makefile
+++ b/docker/coturn/Makefile
@@ -34,7 +34,7 @@ ALPINE_VER := alpine$(strip $(shell grep -m1 'alpine_ver=' alpine/Dockerfile \
 DEBIAN_VER := $(strip $(shell grep -m1 'debian_ver=' debian/Dockerfile \
                               | cut -d '=' -f2))
 
-BUILD_REV ?= 4
+BUILD_REV ?= 5
 
 NAME := coturn
 OWNER := $(or $(GITHUB_REPOSITORY_OWNER),coturn)
diff --git a/docker/coturn/README.md b/docker/coturn/README.md
index 3274307..3be634b 100644
--- a/docker/coturn/README.md
+++ b/docker/coturn/README.md
@@ -15,8 +15,8 @@ Coturn TURN server Docker image
 
 ## Supported tags and respective `Dockerfile` links
 
-- [`4.6.2-r4`, `4.6.2-r4-debian`, `4.6.2`, `4.6.2-debian`, `4.6.2-bookworm`, `4.6`, `4.6-debian`, `4.6-bookworm`, `4`, `4-debian`, `4-bookworm`, `debian`, `bookworm`, `latest`][d1]
-- [`4.6.2-r4-alpine`, `4.6.2-alpine`, `4.6.2-alpine3.18`, `4.6-alpine`, `4.6-alpine3.18`, `4-alpine`, `4-alpine3.18`, `alpine`, `alpine3.18`][d2]
+- [`4.6.2-r5`, `4.6.2-r5-debian`, `4.6.2`, `4.6.2-debian`, `4.6.2-bookworm`, `4.6`, `4.6-debian`, `4.6-bookworm`, `4`, `4-debian`, `4-bookworm`, `debian`, `bookworm`, `latest`][d1]
+- [`4.6.2-r5-alpine`, `4.6.2-alpine`, `4.6.2-alpine3.18`, `4.6-alpine`, `4.6-alpine3.18`, `4-alpine`, `4-alpine3.18`, `alpine`, `alpine3.18`][d2]
 
 
 
diff --git a/docker/coturn/alpine/Dockerfile b/docker/coturn/alpine/Dockerfile
index 776f52b..958072d 100644
--- a/docker/coturn/alpine/Dockerfile
+++ b/docker/coturn/alpine/Dockerfile
@@ -2,7 +2,7 @@
 # Dockerfile of coturn/coturn:alpine Docker image.
 #
 
-ARG alpine_ver=3.18.2
+ARG alpine_ver=3.18.4